: This represents the build or release date, specifically May 27, 2019 .
: It provides a simplified view of the Earth, including major geographic features like countries, regions, cities, and primary roads. Basemap NNG 2015 10 190527 fbl
: It is primarily triggered when you zoom out past the boundaries of your detailed regional maps (e.g., zooming out from a city map to see a continent). : This represents the build or release date,
: The proprietary binary file format used for iGO map data. Purpose and Functionality specifically May 27
: This specific version (9.419 MB) is comprehensive, covering the whole world including Antarctica. Where to Find it
: "NNG" refers to NNG LLC (formerly Nav N Go), the software developer behind the iGO Navigation engine.